/// <summary>
/// DynamoDB のアイテムを変換する
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
/// <exception cref="InvalidOperationException"></exception>
public static ScoreItemDatabaseItemDataBase ConvertFromDynamoDbValue(Dictionary <string, AttributeValue> item)
{
var ownerIdValue = item[ScoreItemDatabasePropertyNames.OwnerId];
var itemIdValue = item[ScoreItemDatabasePropertyNames.ItemId];
var sizeValue = item[ScoreItemDatabasePropertyNames.Size];
var atValue = item[ScoreItemDatabasePropertyNames.At];
var typeValue = item[ScoreItemDatabasePropertyNames.Type];
var objNameValue = item[ScoreItemDatabasePropertyNames.ObjName];
var totalSizeValue = item[ScoreItemDatabasePropertyNames.TotalSize];
ScoreItemDatabaseItemDataBase result = default;
if (typeValue.S == ScoreItemDatabaseConstant.TypeImage)
{
var orgNameValue = item[ScoreItemDatabasePropertyNames.OrgName];
var thumbnailValue = item[ScoreItemDatabasePropertyNames.Thumbnail];
var thumbObjNameValue =
thumbnailValue.M[ScoreItemDatabasePropertyNames.ThumbnailPropertyNames.ObjName];
var thumbSizeValue =
thumbnailValue.M[ScoreItemDatabasePropertyNames.ThumbnailPropertyNames.Size];
result = new ScoreItemDatabaseItemDataImage
{
OrgName = orgNameValue.S,
Thumbnail = new ScoreItemDatabaseItemDataImageThumbnail
{
ObjName = thumbObjNameValue.S,
Size = long.Parse(thumbSizeValue.N)
}
};
}
else
{
throw new InvalidOperationException();
}
result.Size = long.Parse(sizeValue.N);
result.TotalSize = long.Parse(totalSizeValue.N);
result.OwnerId = ScoreItemDatabaseUtils.ConvertFromPartitionKey(ownerIdValue.S);
var scoreBase64 = itemIdValue.S.Substring(0, ScoreItemDatabaseConstant.ScoreIdLength);
var itemBase64 = itemIdValue.S.Substring(ScoreItemDatabaseConstant.ScoreIdLength);
result.ScoreId = ScoreDatabaseUtils.ConvertToGuid(scoreBase64);
result.ItemId = ScoreDatabaseUtils.ConvertToGuid(itemBase64);
result.ObjName = objNameValue.S;
return(result);
}
CreateDynamoDbValue(ScoreItemDatabaseItemDataBase itemData, DateTimeOffset now)
{
var items = new Dictionary <string, AttributeValue>();
var partitionKey = ScoreItemDatabaseUtils.ConvertToPartitionKey(itemData.OwnerId);
var score = ScoreDatabaseUtils.ConvertToBase64(itemData.ScoreId);
var item = ScoreDatabaseUtils.ConvertToBase64(itemData.ItemId);
var at = ScoreDatabaseUtils.ConvertToUnixTimeMilli(now);
items[ScoreItemDatabasePropertyNames.OwnerId] = new AttributeValue(partitionKey);
items[ScoreItemDatabasePropertyNames.ItemId] = new AttributeValue(score + item);
items[ScoreItemDatabasePropertyNames.ObjName] = new AttributeValue(itemData.ObjName);
items[ScoreItemDatabasePropertyNames.Size] = new AttributeValue {
N = itemData.Size.ToString()
};
items[ScoreItemDatabasePropertyNames.At] = new AttributeValue(at);
var totalSize = itemData.Size;
if (itemData is ScoreItemDatabaseItemDataImage itemDataImage)
{
items[ScoreItemDatabasePropertyNames.Type] = new AttributeValue(ScoreItemDatabaseConstant.TypeImage);
items[ScoreItemDatabasePropertyNames.OrgName] = new AttributeValue(itemDataImage.OrgName);
items[ScoreItemDatabasePropertyNames.Thumbnail] = new AttributeValue
{
M = new Dictionary <string, AttributeValue>
{
[ScoreItemDatabasePropertyNames.ThumbnailPropertyNames.ObjName] =
new AttributeValue(itemDataImage.Thumbnail.ObjName),
[ScoreItemDatabasePropertyNames.ThumbnailPropertyNames.Size] = new AttributeValue
{
N = itemDataImage.Thumbnail.Size.ToString()
}
}
};
totalSize += itemDataImage.Thumbnail.Size;
}
items[ScoreItemDatabasePropertyNames.TotalSize] = new AttributeValue {
N = totalSize.ToString()
};
return(items, partitionKey, score, item, totalSize);
}